8 files changed, 23 insertions, 125 deletions
diff --git a/phpBB/common.php b/phpBB/common.php
index 6943b02fa0..6817b63d7b 100644
--- a/phpBB/common.php
+++ b/phpBB/common.php
@@ -67,18 +67,6 @@ if (!defined('PHPBB_INSTALLED'))
 	exit;
 }
 
-// Load Extensions
-// dl() is deprecated and disabled by default as of PHP 5.3.
-if (!empty($load_extensions) && function_exists('dl'))
-{
-	$load_extensions = explode(',', $load_extensions);
-
-	foreach ($load_extensions as $extension)
-	{
-		@dl(trim($extension));
-	}
-}
-
 // Include files
 require($phpbb_root_path . 'includes/class_loader.' . $phpEx);
 require($phpbb_root_path . 'includes/di/processor/interface.' . $phpEx);
diff --git a/phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php b/phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php
index 4ad34f2a26..c0c355f33b 100644
--- a/phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php
+++ b/phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php
@@ -57,19 +57,7 @@ class phpbb_captcha_gd extends phpbb_default_captcha
 
 	static public function is_available()
 	{
-		global $phpbb_root_path, $phpEx;
-
-		if (@extension_loaded('gd'))
-		{
-			return true;
-		}
-
-		if (!function_exists('can_load_dll'))
-		{
-			include($phpbb_root_path . 'includes/functions_install.' . $phpEx);
-		}
-
-		return can_load_dll('gd');
+		return @extension_loaded('gd');
 	}
 
 	/**
diff --git a/phpBB/includes/captcha/plugins/phpbb_captcha_gd_wave_plugin.php b/phpBB/includes/captcha/plugins/phpbb_captcha_gd_wave_plugin.php
index 26383c76a8..0d4b8bd451 100644
--- a/phpBB/includes/captcha/plugins/phpbb_captcha_gd_wave_plugin.php
+++ b/phpBB/includes/captcha/plugins/phpbb_captcha_gd_wave_plugin.php
@@ -46,19 +46,7 @@ class phpbb_captcha_gd_wave extends phpbb_default_captcha
 
 	static public function is_available()
 	{
-		global $phpbb_root_path, $phpEx;
-
-		if (@extension_loaded('gd'))
-		{
-			return true;
-		}
-
-		if (!function_exists('can_load_dll'))
-		{
-			include($phpbb_root_path . 'includes/functions_install.' . $phpEx);
-		}
-
-		return can_load_dll('gd');
+		return @extension_loaded('gd');
 	}
 
 	static public function get_name()
diff --git a/phpBB/includes/functions_install.php b/phpBB/includes/functions_install.php
index 10ec13669b..3421c90c88 100644
--- a/phpBB/includes/functions_install.php
+++ b/phpBB/includes/functions_install.php
@@ -16,27 +16,6 @@ if (!defined('IN_PHPBB'))
 }
 
 /**
-* Determine if we are able to load a specified PHP module and do so if possible
-*/
-function can_load_dll($dll)
-{
-	// SQLite2 is a tricky thing, from 5.0.0 it requires PDO; if PDO is not loaded we must state that SQLite is unavailable
-	// as the installer doesn't understand that the extension has a prerequisite.
-	//
-	// On top of this sometimes the SQLite extension is compiled for a different version of PDO
-	// by some Linux distributions which causes phpBB to bomb out with a blank page.
-	//
-	// Net result we'll disable automatic inclusion of SQLite support
-	//
-	// See: r9618 and #56105
-	if ($dll == 'sqlite')
-	{
-		return false;
-	}
-	return ((@ini_get('enable_dl') || strtolower(@ini_get('enable_dl')) == 'on') && (!@ini_get('safe_mode') || strtolower(@ini_get('safe_mode')) == 'off') && function_exists('dl') && @dl($dll . '.' . PHP_SHLIB_SUFFIX)) ? true : false;
-}
-
-/**
 * Returns an array of available DBMS with some data, if a DBMS is specified it will only
 * return data for that DBMS and will load its extension if necessary.
 */
@@ -159,18 +138,15 @@ function get_available_dbms($dbms = false, $return_unavailable = false, $only_20
 
 		if (!@extension_loaded($dll))
 		{
-			if (!can_load_dll($dll))
+			if ($return_unavailable)
 			{
-				if ($return_unavailable)
-				{
-					$available_dbms[$db_name]['AVAILABLE'] = false;
-				}
-				else
-				{
-					unset($available_dbms[$db_name]);
-				}
-				continue;
+				$available_dbms[$db_name]['AVAILABLE'] = false;
+			}
+			else
+			{
+				unset($available_dbms[$db_name]);
 			}
+			continue;
 		}
 		$any_db_support = true;
 	}
@@ -520,17 +496,14 @@ function adjust_language_keys_callback($matches)
 *
 * @param	array	$data Array containing the database connection information
 * @param	string	$dbms The name of the DBAL class to use
-* @param	array	$load_extensions Array of additional extensions that should be loaded
 * @param	bool	$debug If the debug constants should be enabled by default or not
 * @param	bool	$debug_test If the DEBUG_TEST constant should be added
 *					NOTE: Only for use within the testing framework
 *
 * @return	string	The output to write to the file
 */
-function phpbb_create_config_file_data($data, $dbms, $load_extensions, $debug = false, $debug_test = false)
+function phpbb_create_config_file_data($data, $dbms, $debug = false, $debug_test = false)
 {
-	$load_extensions = implode(',', $load_extensions);
-
 	$config_data = "<?php\n";
 	$config_data .= "// phpBB 3.1.x auto-generated configuration file\n// Do not change anything in this file!\n";
 
@@ -543,7 +516,6 @@ function phpbb_create_config_file_data($data, $dbms, $load_extensions, $debug =
 		'dbpasswd'		=> htmlspecialchars_decode($data['dbpasswd']),
 		'table_prefix'	=> $data['table_prefix'],
 		'acm_type'		=> 'phpbb_cache_driver_file',
-		'load_extensions'	=> $load_extensions,
 	);
 
 	foreach ($config_data_array as $key => $value)
diff --git a/phpBB/includes/questionnaire/questionnaire.php b/phpBB/includes/questionnaire/questionnaire.php
index 5cb441d536..f0fb8c3c06 100644
--- a/phpBB/includes/questionnaire/questionnaire.php
+++ b/phpBB/includes/questionnaire/questionnaire.php
@@ -476,7 +476,6 @@ class phpbb_questionnaire_phpbb_data_provider
 
 		$result['dbms'] = $dbms;
 		$result['acm_type'] = $acm_type;
-		$result['load_extensions'] = $load_extensions;
 		$result['user_agent'] = 'Unknown';
 		$result['dbms_version'] = $db->sql_server_info(true);
 
diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php
index 527108af08..dcdd17cbc0 100644
--- a/phpBB/install/database_update.php
+++ b/phpBB/install/database_update.php
@@ -73,17 +73,6 @@ if (!defined('PHPBB_INSTALLED') || empty($dbms) || empty($acm_type))
 	die("Please read: <a href='../docs/INSTALL.html'>INSTALL.html</a> before attempting to update.");
 }
 
-// Load Extensions
-if (!empty($load_extensions) && function_exists('dl'))
-{
-	$load_extensions = explode(',', $load_extensions);
-
-	foreach ($load_extensions as $extension)
-	{
-		@dl(trim($extension));
-	}
-}
-
 // Include files
 require($phpbb_root_path . 'includes/class_loader.' . $phpEx);
 
@@ -2716,10 +2705,10 @@ function change_database_data(&$no_updates, $version)
 
 			// Create config value for displaying last subject on forum list
 			if (!isset($config['display_last_subject']))
-			{			
+			{
 				$config->set('display_last_subject', '1');
 			}
-			
+
 			$no_updates = false;
 
 			if (!isset($config['assets_version']))
@@ -2752,7 +2741,7 @@ function change_database_data(&$no_updates, $version)
 				// After we have calculated the timezones we can delete user_dst column from user table.
 				$db_tools->sql_column_remove(USERS_TABLE, 'user_dst');
 			}
-			
+
 			if (!isset($config['site_home_url']))
 			{
 				$config->set('site_home_url', '');
diff --git a/phpBB/install/install_install.php b/phpBB/install/install_install.php
index eb9a92f4d1..42102442f8 100644
--- a/phpBB/install/install_install.php
+++ b/phpBB/install/install_install.php
@@ -271,14 +271,6 @@ class install_install extends module
 			'S_LEGEND'		=> false,
 		));
 
-/**
-*		Better not enabling and adding to the loaded extensions due to the specific requirements needed
-		if (!@extension_loaded('mbstring'))
-		{
-			can_load_dll('mbstring');
-		}
-*/
-
 		$passed['mbstring'] = true;
 		if (@extension_loaded('mbstring'))
 		{
@@ -382,17 +374,14 @@ class install_install extends module
 		{
 			if (!@extension_loaded($dll))
 			{
-				if (!can_load_dll($dll))
-				{
-					$template->assign_block_vars('checks', array(
-						'TITLE'		=> $lang['DLL_' . strtoupper($dll)],
-						'RESULT'	=> '<strong style="color:red">' . $lang['UNAVAILABLE'] . '</strong>',
+				$template->assign_block_vars('checks', array(
+					'TITLE'		=> $lang['DLL_' . strtoupper($dll)],
+					'RESULT'	=> '<strong style="color:red">' . $lang['UNAVAILABLE'] . '</strong>',
 
-						'S_EXPLAIN'	=> false,
-						'S_LEGEND'	=> false,
-					));
-					continue;
-				}
+					'S_EXPLAIN'	=> false,
+					'S_LEGEND'	=> false,
+				));
+				continue;
 			}
 
 			$template->assign_block_vars('checks', array(
@@ -873,22 +862,7 @@ class install_install extends module
 		$written = false;
 
 		// Create a list of any PHP modules we wish to have loaded
-		$load_extensions = array();
 		$available_dbms = get_available_dbms($data['dbms']);
-		$check_exts = array_merge(array($available_dbms[$data['dbms']]['MODULE']), $this->php_dlls_other);
-
-		foreach ($check_exts as $dll)
-		{
-			if (!@extension_loaded($dll))
-			{
-				if (!can_load_dll($dll))
-				{
-					continue;
-				}
-
-				$load_extensions[] = $dll . '.' . PHP_SHLIB_SUFFIX;
-			}
-		}
 
 		// Create a lock file to indicate that there is an install in progress
 		$fp = @fopen($phpbb_root_path . 'cache/install_lock', 'wb');
@@ -902,7 +876,7 @@ class install_install extends module
 		@chmod($phpbb_root_path . 'cache/install_lock', 0777);
 
 		// Time to convert the data provided into a config file
-		$config_data = phpbb_create_config_file_data($data, $available_dbms[$data['dbms']]['DRIVER'], $load_extensions);
+		$config_data = phpbb_create_config_file_data($data, $available_dbms[$data['dbms']]['DRIVER']);
 
 		// Attempt to write out the config file directly. If it works, this is the easiest way to do it ...
 		if ((file_exists($phpbb_root_path . 'config.' . $phpEx) && phpbb_is_writable($phpbb_root_path . 'config.' . $phpEx)) || phpbb_is_writable($phpbb_root_path))
@@ -1368,7 +1342,7 @@ class install_install extends module
 				WHERE config_name = 'dbms_version'",
 		);
 
-		if (@extension_loaded('gd') || can_load_dll('gd'))
+		if (@extension_loaded('gd'))
 		{
 			$sql_ary[] = 'UPDATE ' . $data['table_prefix'] . "config
 				SET config_value = 'phpbb_captcha_gd'
diff --git a/tests/test_framework/phpbb_functional_test_case.php b/tests/test_framework/phpbb_functional_test_case.php
index d002615e8c..2d44bfc359 100644
--- a/tests/test_framework/phpbb_functional_test_case.php
+++ b/tests/test_framework/phpbb_functional_test_case.php
@@ -199,7 +199,7 @@ class phpbb_functional_test_case extends phpbb_test_case
 		$this->do_request('create_table', $data);
 
 		$this->do_request('config_file', $data);
-		file_put_contents($phpbb_root_path . "config.$phpEx", phpbb_create_config_file_data($data, self::$config['dbms'], array(), true, true));
+		file_put_contents($phpbb_root_path . "config.$phpEx", phpbb_create_config_file_data($data, self::$config['dbms'], true, true));
 
 		$this->do_request('final', $data);
 		copy($phpbb_root_path . "config.$phpEx", $phpbb_root_path . "config_test.$phpEx");